Crawl Space Exterior Walls
The exterior walls of unvented crawl spaces should be insulated with a material providing a thermal resistance of at least R-7 or better. A method for doing this is illustrated in Figure 3-18. No insulation is required for the exterior walls of vented crawl spaces.
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Figure 3-18 Space. |
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Exterior walls of unvented crawl |
Posted in Audel HVAC Fundamentals Volume 1 Heating Systems, Furnaces, and Boilers